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Work with M-Duino Relay

<div> <h5 class="o_wforum_bio_popover_name mb-0"> <address class="mb-0" itemscope="itemscope" itemtype="http://schema.org/Organization"> <div> <span itemprop="name">Mike W. R</span> <span><img src=https://www.industrialshields.com/es_ES/forum/general-1/question/"/web/image/res.country/68/image/España?unique=a14a800%22 class="img img-fluid country_flag" alt="España"/></span> </div> <div itemprop="address" itemscope="itemscope" itemtype="http://schema.org/PostalAddress"> </div> <div> </div> </address> </h5> <span class="o_wforum_bio_popover_info"> <address class="mb-0" itemscope="itemscope" itemtype="http://schema.org/Organization"> <div class="css_non_editable_mode_hidden"> --<span class="text-muted">Mike W. R</span>-- </div> <div itemprop="address" itemscope="itemscope" itemtype="http://schema.org/PostalAddress"> </div> <div> <div class="css_editable_mode_hidden"> <div class="mb-2"> <span class="o_forum_tooltip_line"></span><br/> </div> <b class="mt-4"><i class="fa fa-diamond text-secondary"></i> 4004</b> <div style="display: inline-block"> <b>|</b> <span class="fa fa-trophy badge-gold ml-2" role="img" aria-label="Gold badge" title="Gold badge"></span> 0 <span class="fa fa-trophy badge-silver ml-2" role="img" aria-label="Silver badge" title="Silver badge"></span> 0 <span class="fa fa-trophy badge-bronze ml-2" role="img" aria-label="Bronze badge" title="Bronze badge"></span> 0 </div> <div class="mt-2"> <div class="o_forum_tooltip_line"> <span>Manresa</span><span>, </span><span>España</span> </div> </div> </div> </div> </address> </span> <div class="o_wforum_bio_popover_bio"> <address class="mb-0" itemscope="itemscope" itemtype="http://schema.org/Organization"> <div class="css_non_editable_mode_hidden"> --<span class="text-muted">Mike W. R</span>-- </div> <div itemprop="address" itemscope="itemscope" itemtype="http://schema.org/PostalAddress"> </div> <div> <span> </span> </div> </address> </div> </div> </div> "> Avatar
Mike W. R

Hi,

We bought an mduino 19 R + but we do not have clear how to work with the relay inputs.

Any advice?

thanks

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Bernat Garcia
Best Answer

Hi,

I guess that you mean, how to use relay outputs... This unit doesn't have any relay input.

First of all, we recommend to use Industrial Shields boards in your Arduino IDE:

https://www.industrialshields.com/blog/industrial-shields-blog-1/post/installing-the-industrial-shields-boards-in-the-arduino-ide-63

After that you just can power supply the PLC and use this example code to switch the relay every half second.

Writing in a Relay:

In this example relay output R0_1 is switched ON (switch closed) and switched OFF (switch opened).

void setup() {
}   
void loop() { 
    digitalWrite(R0_1,HIGH); // opens the relay switch
    delay(500); // wait 500ms
    digitalWrite(R0_1,LOW); // closes the relay switch
    delay(500);
}

* The relays of our equipment have a switching frequency of 120 operations/min.

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